{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-07-22T03:16:13.758","vulnerabilities":[{"cve":{"id":"CVE-2026-11940","sourceIdentifier":"cna@python.org","published":"2026-06-23T17:16:40.847","lastModified":"2026-06-30T16:16:35.487","vulnStatus":"Awaiting Analysis","cveTags":[],"descriptions":[{"lang":"en","value":"tarfile.extractall() with the 'data' or 'tar'\n filter could be bypassed by a crafted archive where a hardlink \nreferences a symlink stored at a deeper name than the hardlink itself.  \nThe extraction fallback validated the symlink at it's archived location \nbut recreated it at the hardlink's shallower\npath, letting a relative\n target the filter judged contained escape the destination directory.  \nThis allowed a malicious tar archive to create a symlink pointing \noutside the destination, enabling out-of-destination file reads or \nwrites. This was an incomplete fix of CVE-2025-4330."}],"affected":[{"source":"cna@python.org","affectedData":[{"vendor":"Python Software Foundation","product":"CPython","defaultStatus":"unaffected","repo":"https://github.com/python/cpython","versions":[{"version":"0","lessThan":"3.15.0","versionType":"python","status":"affected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"cna@python.org","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-06-23T17:57:25.652265Z","id":"CVE-2026-11940","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"cna@python.org","type":"Secondary","description":[{"lang":"en","value":"CWE-22"},{"lang":"en","value":"CWE-59"}]}],"references":[{"url":"https://github.com/python/cpython/commit/27dd970bf6b17ebca7c8ed486a40ab043ed7af8f","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/672825e2f36a57e173959b0d9d409d4560dab8df","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/771d12dda5140313db0ac550292987975651bbde","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/79c06bd5c6afa3c440d50faf7ee1b147c8832b4c","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/be13e86f6b9788a6f4d0419dffef72cbae5865c9","source":"cna@python.org"},{"url":"https://github.com/python/cpython/issues/151558","source":"cna@python.org"},{"url":"https://github.com/python/cpython/pull/151559","source":"cna@python.org"},{"url":"https://mail.python.org/archives/list/security-announce@python.org/thread/LD6QIISNQFQYOIEPJNEUIPV7S3V76FZH/","source":"cna@python.org"}]}}]}